Includes study guide

This was one of my textbooks in college. I purchased the book used so it does have the used sticker on the side and back. It does have highlighting throughout, but I don't see any writing. The textbook is hardcover, the study guide is paperback. The study guide was purchased new and I don't think I ever used it. It doesn't have any markings or highlighting in it. 

Comes from a smoke-free home.

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